Datasheet > TQM879026_15

TQM879026_15

更新时间： 2022-02-26 14:04:11

品牌	Logo	应用领域
TRIQUINT		/
页数	文件大小	规格书
17页	903K
描述
0.7-4 GHz W Digital Variable Gain Amplifier

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TQM879026_15 数据手册

TQM879026

0.7-4 GHz ¼W Digital Variable Gain Amplifier

Applications

 3G / 4G Wireless Infrastructure

 Repeaters

 LTE / WCDMA / CDMA

24 Pin 4x4 mm leadless SMT Package

Product Features

Functional Block Diagram

 700-4000 MHz

 32 dB Maximum Gain at 2140 MHz

 31.5 dB Gain Range in 0.5 dB Steps

 +42.5 dBm Output IP3

 +24 dBm Output P1dB

 1.6 dB Noise Figure

 3-wire SPI Control Programming

General Description

Pin Configuration

The TQM879026 is a digital variable gain amplifier

(DVGA) featuring high linearity and digital variable gain

control in 0.5 dB step sizes. This DVGA integrates a

gain block, a digital-step attenuator (DSA), and a high

linearity ¼-watt amplifier into a compact 4x4 mm

package. The internal 6-bit DSA provides a 31.5 dB

gain control range and is controlled with a serial

periphery interface (SPI^TM). The individual stages are

accessible to external ports to allow for optimization of

the last stage amplifier for individual bands and also

allowing other functional blocks to be added in-between

the stages.

Pin No.

Label

NC (No Connect)

1,2,4,6,7,9,11,17,18,19,

21,22,24

DSA In

Amp1 Out / Vcc1

Amp1 In

SOD

V_DD

CLK

SID

Amp2 Out / Vcc2

Amp2 In

DSA Out

RF/DC Ground

The TQM879026 features variable gain from 1 dB to 32

dB at 2.14 GHz, +42.5 dBm output IP3, and +24 dBm

P1dB while only consuming 174 mA current from a 5V

supply. The module is available in a compact 24-pin 4x4

mm leadless SMT package.

Backside Paddle

Ordering Information

Part No.

TQM879026

Description

¼ W 0.7-4.0 GHz DVGA

TQM879026-PCB900

900 MHz Evaluation Board

TQM879026-PCB2140 2140 MHz Evaluation Board

Standard T/R size = 2500 pieces on a 13” reel

Evaluation Boards include USB control board

Datasheet: Rev D 11-10-14

Disclaimer: Subject to change without notice

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